1513021322213 has 8 divisors (see below), whose sum is σ = 1538787995640. Its totient is φ = 1487285714880.

The previous prime is 1513021322191. The next prime is 1513021322221. The reversal of 1513021322213 is 3122231203151.

It can be written as a sum of positive squares in 4 ways, for example, as 245636210689 + 1267385111524 = 495617^2 + 1125782^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1513021322213 - 2³⁰ = 1511947580389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513021322713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7668278 + ... + 7863111.

It is an arithmetic number, because the mean of its divisors is an integer number (192348499455).

Almost surely, 2^{1513021322213} is an apocalyptic number.

It is an amenable number.

1513021322213 is a deficient number, since it is larger than the sum of its proper divisors (25766673427).

1513021322213 is a wasteful number, since it uses less digits than its factorization.

1513021322213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15533047.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 1513021322213 its reverse (3122231203151), we get a palindrome (4635252525364).

The spelling of 1513021322213 in words is "one trillion, five hundred thirteen billion, twenty-one million, three hundred twenty-two thousand, two hundred thirteen".